[PATCH v4 6/8] arm: Break cyclic percpu include

[Peter Zijlstra <peterz@xxxxxxxxxxxxx>]

In order to use <asm/percpu.h> in irqflags.h, we need to make sure
asm/percpu.h does not itself depend on irqflags.h.

Signed-off-by: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx>
---
 arch/arm/include/asm/percpu.h |    2 ++
 1 file changed, 2 insertions(+)

--- a/arch/arm/include/asm/percpu.h
+++ b/arch/arm/include/asm/percpu.h
@@ -10,6 +10,8 @@
  * in the TPIDRPRW. TPIDRPRW only exists on V6K and V7
  */
 #if defined(CONFIG_SMP) && !defined(CONFIG_CPU_V6)
+register unsigned long current_stack_pointer asm ("sp");
+
 static inline void set_my_cpu_offset(unsigned long off)
 {
 	/* Set TPIDRPRW */